Revenue - Accounts Receivable, Unbilled Services, and Deferred Revenue (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accounts receivable
Accounts receivable, beginning balance			$ 96,210,000	$ 454,993,000
Additions			793,039,000	808,713,000
Deductions			(486,684,000)	(1,069,173,000)
Accounts receivable, ending balance	$ 402,565,000	$ 194,533,000	402,565,000	194,533,000
Allowance for doubtful accounts
Allowance for doubtful accounts, beginning balance			(13,835,000)	0
Additions	0	0	0	0
Deductions	(6,200,000)		6,160,000	0
Allowance for doubtful accounts, end balance	(7,675,000)	0	(7,675,000)	0
Deferred revenue
Deferred revenue, beginning balance			549,551,000	1,595,472,000
Additions			414,816,000	49,107,000
Deductions			(56,957,000)	(128,432,000)
Deferred revenue, ending balance	$ 907,410,000	$ 1,516,147,000	$ 907,410,000	$ 1,516,147,000